CN205427973U - Intelligent terminal and public service system of on -vehicle information based on OBD -II - Google Patents
Intelligent terminal and public service system of on -vehicle information based on OBD -II Download PDFInfo
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- CN205427973U CN205427973U CN201520865327.5U CN201520865327U CN205427973U CN 205427973 U CN205427973 U CN 205427973U CN 201520865327 U CN201520865327 U CN 201520865327U CN 205427973 U CN205427973 U CN 205427973U
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Abstract
The utility model discloses an intelligent terminal and public service system of on -vehicle information based on OBD -II is because OBD -II's intelligent terminal includes the main control unit, a OBD -II reads the module for reading the primary OBD -II interface message of vehicle, a GPS module for fixing a position the vehicle, a 3D acceleration sensor for $responding to vehicle acceleration, gravity -feed tank should with the striking dynamics, a FLASH memory for storage data, a power control module for the power supply, with the 3G module that is used for the wireless transmission data. The utility model discloses not only be favorable to in time handling effectively the vehicle system failure, the stroke daily record expand based on data that OBD -II acquireed moreover, drive that action record analysis, vehicle travel that operating mode remote monitoring, early warning system and maintenance are reminded and functions such as records query engine violating the regulations, promoted user's driving experience.
Description
Technical field
The present invention relates to a kind of vehicle intelligent terminal for monitoring vehicle operating information and system thereof, especially relate to a kind of vehicle intelligent terminal based on OBD-II and on-vehicle information public service system.
Background technology
The eighties in 20th century rises, and each big automobile manufacturing enterprise such as U.S., day, Europe starts to be equipped with onboard diagnostic system OBD (On-BoardDiagnostic) on electro jet car.In order to strictly monitor motor vehicle emission and the diagnostic standardization of driven nature dependent failure, AIAE American institute of automobile engineers (SAE) has formulated a set of new diagnostic norms OBD-II on the basis of OBD-I.
China finds fault and monitoring to monitor and finds high emission vehicle, in 1 day July in 2007 before vehicle becomes maximum discharge standard vehicle, it is desirable to all vehicles install standard data interface based on OBD-II specification (OBD-II interface) before dispatching from the factory additional.OBD-II interface by former car can not only feed back the fault code indications of automobile, moreover it is possible to monitors multiple system and parts, including electromotor, catalytic converter, grain catcher, oxygen sensor, emission control systems, fuel system, GER etc..It is based on OBD-II interface and above-mentioned vehicle trouble messages and abundant vehicle operating parameters can be provided, domestic manufacturers are proposed and combine the Related product of Internet technology and mobile intelligent terminal to providing the services such as intelligence, economy, environmental protection car for car owner based on OBD-II interface, provide new profit model for automobile vendor, insurance company and maintenance store simultaneously.
The product principal mode being currently based on OBD-II interface is to be read out by vehicle OBD-II data by OBD-II data collecting device, by wired or wireless communication mode, OBD-II data is sent to mobile intelligent terminal (such as smart mobile phone, car running computer etc.) again, is finally analyzed OBD-II data processing, by the way of software, information of vehicles is presented to user.
There is following two problem in existing product:
First, sending data to mobile intelligent terminal by wired or wireless communication mode and be transferred to backstage managing and control system again, this mode excessively relies on mobile intelligent terminal, as a example by mobile phone, when mobile phone leave behind, electricity deficiency time, the real-time monitoring to vehicle of the remote-control platform cannot be ensured.
Secondly, the DLC socket of general OBD interface has tri-kinds of communication protocol ports of CAN, ISO, J1850, and existing product mainly reads vehicle trouble code information by the CAN communication port in vehicle OBD interface and other vehicle operating parameters are likely to result in incomplete and product the versatility of digital independent and are deteriorated.Because the communication protocol that the data of same system or parts use in vehicle own communication system transmitting procedure is not unified on the different model vehicle of different automobile production manufacturers or same manufacturer.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of vehicle intelligent terminal based on OBD-II and on-vehicle information public service system.
The vehicle intelligent terminal based on OBD-II of the present invention, including:
Main control unit；
It is connected with described main control unit, reads the OBD-II read module of information for connecting vehicle primary OBD-II interface；
It is connected with described main control unit, for positioning the GPS module of vehicle；
It is connected with described main control unit, for sensing the 3D acceleration transducer of vehicle acceleration, gravity sensing and shock dynamics；
It is connected with described main control unit, for storing the FLASH memory of data；
It is connected with described main control unit, for the energy supply control module of power supply；With
It is connected with described main control unit, for the 3G module of wirelessly transmitting data.
Further, described OBD-II read module includes:
CAN interface circuit, ISO interface circuit and J1850 interface circuit for OBD-II interface communication primary with vehicle；
It is connected with described CAN interface circuit, ISO interface circuit and J1850 interface circuit, possesses the OBD chip of storage OBD protocol stack and online upgrading function；
It is connected with described CAN interface circuit, ISO interface circuit and J1850 interface circuit, disturbs circuit for the anti-RF of anti-RF High-frequency Interference；
Circuit is disturbed to be connected with described OBD chip and anti-RF, for the serial communication interface communicated with described main control unit.
Further, described GPS module includes module reserve battery.
Further, described module reserve battery is CR2032 lithium battery.
Further, the CPU of described main control unit be kernel be the dsp chip DCX78 of ARM7.
Further, described vehicle intelligent terminal based on OBD-II includes the buzzer being connected with described main control unit, is used for sending alarm sound.
The on-vehicle information public service system based on OBD-II of the present invention, including:
At least one vehicle intelligent terminal based on OBD-II as above；
At least one on-vehicle information public service platform, described on-vehicle information public service platform includes the wireless communication module being connected of 3G module with described vehicle intelligent terminal based on OBD-II；It is connected with described communication module, for storing the data memory module of data；And be connected with described communication module and data memory module, for the data analysis module of Data Analysis Services.
Further, described data memory module includes the OBD data base for storing OBD initial data and for storage core database of data after analyzing and processing.
Present invention vehicle intelligent terminal based on OBD-II and on-vehicle information public service system, not only contribute to process Vehicular system fault timely and effectively, and the stroke daily record extended based on the data acquired in OBD-II, driving behavior record analysis, vehicle driving-cycle remotely monitor, early warning system and maintenance is reminded and the function such as record queries violating the regulations, improve the driving experience of user.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention one embodiment of vehicle intelligent terminal based on OBD-II.
Fig. 2 is the structural representation of OBD-II read module in Fig. 1；
Fig. 3 is present invention on-vehicle information based on OBD-II public service system structural representation；
Fig. 4 is the structural representation of on-vehicle information public service platform in Fig. 3.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, present invention vehicle intelligent terminal based on OBD-II, including:
Main control unit 1；
It is connected with described main control unit 1, reads the OBD-II read module 2 of information for connecting vehicle primary OBD-II interface 3；Described vehicle primary OBD-II interface 3 is the OBD-II interface on vehicle.
It is connected with described main control unit 1, for positioning the GPS module 4 of vehicle；
It is connected with described main control unit 1, for sensing the 3D acceleration transducer 5 of vehicle acceleration, gravity sensing and shock dynamics；
It is connected with described main control unit 1, for storing the FLASH memory 6 of data；
It is connected with described main control unit 1, for the energy supply control module 7 of power supply；With
It is connected with described main control unit 1, for the 3G module 8 of wirelessly transmitting data.
Wherein OBD-II read module 2 connects vehicle primary OBD-II interface 3, is used for reading vehicle trouble code information and operational factor, is sent to the CPU of main control unit 1 in real time.
GPS module 4 uses built-in GPS chip to receive and resolves data, to obtain the geographical location information of vehicle, and is connected to the CPU of main control unit 1 by standard UART serial ports.GPS module 4 may also include a module reserve battery, generally uses CR2032 lithium battery, it is ensured that during system power failure, the data of vehicle intelligent terminal based on OBD-II will not be lost, and also can reduce when system restarts simultaneously and reorientate the required time.
The acceleration of vehicle, gravity sensing and impact force degrees of data are transferred to the CPU of main control unit 1 by 3D acceleration transducer 5 by SPI or I2C universal serial bus, it is simple to the driving behavior to user is analyzed.
Vehicle trouble code, operational factor, GPS latitude and longitude information, 3D acceleration transducer data are transmitted by 3G module 8 by 3G network.
FLASH memory 6 communicate for data storage by spi bus with the CPU of main control unit 1, when the most described 3G module 8 temporarily cannot communicate, can first data be stored to FLASH memory 6, to be communicated normally after, then by 3G module 8, data are transferred out.
Energy supply control module 7 is connected with vehicle-mounted 12V storage battery; it is system power supply that the 12V DC voltage of input can be converted to 5V, 3.3V DC voltage by the circuit of energy supply control module 7, simultaneously power protecting circuit 7 have include anti-reverse protection, surge protection, common mode gathers around stream, π type filters four parts.
The dsp chip DCX78 that the CPU of wherein said main control unit 1 can use DSPG company kernel to be ARM7.Described vehicle intelligent terminal based on OBD-II may also include the buzzer (not shown) being connected with described main control unit, the CPU of main control unit 1 arranges benchmark data scope to the operational factor of each system of vehicle and parts in advance, contrast OBD-II read module Real-time Collection to vehicle data judge vehicle run whether there is unusual condition, if there is unusual condition, trigger buzzer warning.
Referring to Fig. 2, described OBD-II read module 2 includes:
The CAN interface circuit 21 that communicates for OBD-II interface 3 primary with vehicle, ISO interface circuit 22 and J1850 interface circuit 23；
It is connected with described CAN interface circuit 21, ISO interface circuit 22 and J1850 interface circuit 23, possesses the OBD chip 24 of storage OBD protocol stack and online upgrading function；
It is connected with described CAN interface circuit 21, ISO interface circuit 22 and J1850 interface circuit 23, disturbs circuit 25 for the anti-RF of anti-RF High-frequency Interference；
Circuit 25 is disturbed to be connected with described OBD chip 24 and anti-RF, for the serial communication interface 26 communicated with described main control unit.
Wherein, OBD-II read module 2 includes OBD chip 24, can be read vehicle trouble code information and operational factor by described CAN interface circuit 21, ISO interface circuit 22 and J1850 interface circuit 23 and is sent to the CPU of main control unit 1 in real time respectively by tri-kinds of communication modes of CAN, ISO, J1850 depending on concrete condition.Thus can avoid the communication protocol skimble-scamble problem on the different model vehicle of different automobile production manufacturers or same manufacturer used in vehicle own communication system transmitting procedure because of the data of same system or parts.
Described anti-RF interference circuit 25 OBD-II primary with described vehicle interface 3, CAN interface circuit 21, ISO interface circuit 22 and J1850 interface circuit 23 and OBD chip 24 are connected, can effectively get rid of the interference of radio frequency (RF, RadioFrequency) signal.
Described serial communication interface 26 is for connecting the CPU of described main control unit 1.
Refer to Fig. 3 and Fig. 4, present invention on-vehicle information based on OBD-II public service system, including:
At least one vehicle intelligent terminal based on OBD-II as above；
At least one on-vehicle information public service platform 9, described on-vehicle information public service platform includes the communication module 91 that be connected wireless with the 3G module 8 of described vehicle intelligent terminal based on OBD-II；It is connected with described communication module 91, for storing the data memory module 92 of data；And be connected with described communication module 91 and data memory module 92, for the data analysis module 93 of Data Analysis Services.
Wherein, communication module 91 communicates with the 3G module 8 of intelligent vehicle mounted terminal, it is achieved the collection of information of vehicles, information remotely control intelligent vehicle mounted terminal online upgrading in mobile terminal and the display of PC end and on-vehicle information public service platform 9 and downloads the function of data；The data that data memory module 92 uses data base to upload intelligent vehicle mounted terminal store, and wherein OBD data base deposits initial data, and core data library storage is through the data of Treatment Analysis；Data analysis module 93 is responsible for intelligent vehicle mounted terminal and is uploaded the analyzing and processing of initial data, it is provided that car fault diagnosis based on specialist system, stroke daily record, driving behavior record analysis, remotely monitor vehicle driving-cycle, early warning system and maintenance remind, the function services such as record queries violating the regulations.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (8)
1. vehicle intelligent terminal based on OBD-II, it is characterised in that including:
Main control unit；
It is connected with described main control unit, reads the OBD-II read module of information for connecting vehicle primary OBD-II interface；
It is connected with described main control unit, for positioning the GPS module of vehicle；
It is connected with described main control unit, for sensing the 3D acceleration transducer of vehicle acceleration, gravity sensing and shock dynamics；
It is connected with described main control unit, for storing the FLASH memory of data；
It is connected with described main control unit, for the energy supply control module of power supply；With
It is connected with described main control unit, for the 3G module of wirelessly transmitting data.
Vehicle intelligent terminal based on OBD-II the most according to claim 1, it is characterised in that described OBD-II read module includes:
CAN interface circuit, ISO interface circuit and J1850 interface circuit for OBD-II interface communication primary with vehicle；
It is connected with described CAN interface circuit, ISO interface circuit and J1850 interface circuit, possesses the OBD chip of storage OBD protocol stack and online upgrading function；
It is connected with described CAN interface circuit, ISO interface circuit and J1850 interface circuit, disturbs circuit for the anti-RF of anti-RF High-frequency Interference；
Circuit is disturbed to be connected with described OBD chip and anti-RF, for the serial communication interface communicated with described main control unit.
Vehicle intelligent terminal based on OBD-II the most according to claim 1, it is characterised in that described GPS module includes module reserve battery.
Vehicle intelligent terminal based on OBD-II the most according to claim 3, it is characterised in that described module reserve battery is CR2032 lithium battery.
Vehicle intelligent terminal based on OBD-II the most according to claim 1, it is characterised in that the CPU of described main control unit be kernel be the dsp chip DCX78 of ARM7.
Vehicle intelligent terminal based on OBD-II the most according to claim 1, it is characterised in that also include the buzzer being connected with described main control unit, be used for sending alarm sound.
7. on-vehicle information public service system based on OBD-II, it is characterised in that including:
At least one is such as claim 1-6 vehicle intelligent terminal based on OBD-II as described in any one；With
At least one on-vehicle information public service platform, described on-vehicle information public service platform includes the wireless communication module being connected of 3G module with described vehicle intelligent terminal based on OBD-II；It is connected with described communication module, for storing the data memory module of data；And be connected with described communication module and data memory module, for the data analysis module of Data Analysis Services.
On-vehicle information public service system based on OBD-II the most according to claim 7, it is characterised in that described data memory module includes the OBD data base for storing OBD initial data and for storage core database of data after analyzing and processing.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513160A (en) * | 2015-10-30 | 2016-04-20 | 广东广信通信服务有限公司 | OBD-II-based vehicle-mounted intelligent terminal and vehicle-mounted information public service system |
| CN106950948A (en) * | 2017-05-25 | 2017-07-14 | 北京长安汽车工程技术研究有限责任公司 | A kind of vehicle CAN Communication diagnostic logger and system |
| CN110926572A (en) * | 2019-11-18 | 2020-03-27 | 武汉理工大学 | A vehicle overload monitoring system and method based on fiber grating sensor |
| CN111818488A (en) * | 2020-06-15 | 2020-10-23 | 重庆省心宝科技有限公司 | Intelligent OBD vehicle-mounted terminal based on Internet of things and application method thereof |
| CN113805552A (en) * | 2020-06-11 | 2021-12-17 | 卓品智能科技无锡有限公司 | On-vehicle OBD terminal |
-
2015
- 2015-10-30 CN CN201520865327.5U patent/CN205427973U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513160A (en) * | 2015-10-30 | 2016-04-20 | 广东广信通信服务有限公司 | OBD-II-based vehicle-mounted intelligent terminal and vehicle-mounted information public service system |
| CN106950948A (en) * | 2017-05-25 | 2017-07-14 | 北京长安汽车工程技术研究有限责任公司 | A kind of vehicle CAN Communication diagnostic logger and system |
| CN110926572A (en) * | 2019-11-18 | 2020-03-27 | 武汉理工大学 | A vehicle overload monitoring system and method based on fiber grating sensor |
| CN113805552A (en) * | 2020-06-11 | 2021-12-17 | 卓品智能科技无锡有限公司 | On-vehicle OBD terminal |
| CN111818488A (en) * | 2020-06-15 | 2020-10-23 | 重庆省心宝科技有限公司 | Intelligent OBD vehicle-mounted terminal based on Internet of things and application method thereof |
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